PMC:7078825 / 13969-14258 4 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T104 | 0-54 | Sentence | denotes | A limitation of our study is its retrospective nature. |
| T105 | 55-289 | Sentence | denotes | If the Internet search engines and social media data were used in a real-time surveillance system, finding the best lag time would be a challenge because we would not have any training data to calibrate the analysis for a new disease. |